https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80285
--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> --- Author: redi Date: Tue May 16 13:16:34 2017 New Revision: 248109 URL: https://gcc.gnu.org/viewcvs?rev=248109&root=gcc&view=rev Log: Fix forward declaration of std::type_info for versioned-namespace PR libstdc++/80285 * include/bits/shared_ptr_base.h [!__cpp_rtti] (type_info): Declare outside versioned namespace. Modified: trunk/libstdc++-v3/ChangeLog trunk/libstdc++-v3/include/bits/shared_ptr_base.h